AP#24 : SH2-276 |
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Name: Barnard's loop Constellation:Orion Instrument: Rokinon 85mm F1.4 lens stopped to F4 and Modified Canon T6i. Exposure time:A stack of 24 two-minute exposures and 15 three-minute exposures at ISO 800. Star Chart from Michael Vlasov's Deep sky hunter star atlas available on line https://www.deepskywatch.com/deep-sky-hunter-atlas.html |
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Magnitude: 5.0 Angular size: 10 degrees Barnard's loop is a massive object that can only be seen visually with special filters. Photographing the loop is not too difficult but making the nebulosity stand out against the background takes some extra processing.
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